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Neeraj Yadav

Cryptography and Network Security

Neeraj Yadav | 28-Oct-2015 |
Security attacks , Encryption techniques , Cryptanalysis , Steganography , Block Ciphers , Data encryption standard(DES) , Modular arithmetic , Extended Euclidean Algorithm , Advanced Encryption Standard (AES) , Discrete Logarithmic Problem , RSA algorithm , Message Authentication Codes , Hash functions , Birthday attacks , Digital signature standards (DSS) , Key Management and distribution , Public key distribution , Public key Infrastructure , IP Security , Security payloads , Viruses and related threats , Firewalls ,

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Introduction to security attacks, services and mechanism, Classical encryption techniques
substitution ciphers and transposition ciphers, cryptanalysis, steganography,
Stream and block ciphers. Modern Block Ciphers: Block ciphers principles, Shannon’s theory of
confusion and diffusion, fiestal structure, Data encryption standard(DES), Strength of DES, Idea of
differential cryptanalysis, block cipher modes of operations, Triple DES
Introduction to group, field, finite field of the form GF(p), modular arithmetic, prime and relative
prime numbers, Extended Euclidean Algorithm, Advanced Encryption Standard (AES) encryption
and decryption Fermat’s and Euler’s theorem, Primality testing, Chinese Remainder theorem,
Discrete Logarithmic Problem, Principals of public key crypto systems, RSA algorithm, security of
Message Authentication Codes: Authentication requirements, authentication functions, message
authentication code, hash functions, birthday attacks, security of hash functions, Secure hash
algorithm (SHA) Digital Signatures: Digital Signatures, Elgamal Digital Signature Techniques,
Digital signature standards (DSS), proof of digital signature algorithm,
Key Management and distribution: Symmetric key distribution, Diffie-Hellman Key Exchange,
Public key distribution, X.509 Certificates, Public key Infrastructure. Authentication Applications:
Kerberos Electronic mail security: pretty good privacy (PGP), S/MIME.
IP Security: Architecture, Authentication header, Encapsulating security payloads, combining
security associations, key management. Introduction to Secure Socket Layer, Secure electronic,
transaction (SET) System Security: Introductory idea of Intrusion, Intrusion detection, Viruses and
related threats, firewalls.

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